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72 lines
2.2 KiB
72 lines
2.2 KiB
6 years ago
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/*
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* Copyright (c) 2007-2009,2011 Apple Inc. All Rights Reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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/*!
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@header SecRandom
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The functions provided in SecRandom.h implement high-level accessors
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to cryptographically secure random numbers.
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*/
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#ifndef _SECURITY_SECRANDOM_H_
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#define _SECURITY_SECRANDOM_H_
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#include <Security/SecBase.h>
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#include <stdint.h>
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#include <sys/types.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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CF_ASSUME_NONNULL_BEGIN
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CF_IMPLICIT_BRIDGING_ENABLED
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/*!
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@typedef SecRandomRef
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@abstract Reference to a (psuedo) random number generator.
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*/
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typedef const struct __SecRandom * SecRandomRef;
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/* This is a synonym for NULL, if you'd rather use a named constant. This
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refers to a cryptographically secure random number generator. */
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extern const SecRandomRef kSecRandomDefault
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__OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_2_0);
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/*!
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@function SecRandomCopyBytes
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@abstract Return count random bytes in *bytes, allocated by the caller.
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@result Return 0 on success or -1 if something went wrong, check errno
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to find out the real error.
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*/
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int SecRandomCopyBytes(SecRandomRef __nullable rnd, size_t count, uint8_t *bytes)
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__OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_2_0);
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CF_IMPLICIT_BRIDGING_DISABLED
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CF_ASSUME_NONNULL_END
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#if defined(__cplusplus)
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}
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#endif
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#endif /* !_SECURITY_SECRANDOM_H_ */
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